HYDRO FLASK 40 ounce WIDE MOUTH :: Like to have your cold water by your side all day? If so you simply gotta have the Hydro Flask 40 ounce Wide Mouth beverage holder! The perfect companion for serious water drinkers this awesome container will keep your cold beverages cold up to 24 hours and your hot beverages hot for up to 6 hours thanks to its double wall vacuum insulation. Funky tastes won't transfer because the Hydro Flask 40 ounce Wide container is stainless steel. Plus you can feel great about buying this product because all Hydro Flasks use recyclable materials and are backed by our lifetime warranty!